Step 1
Objects: Green Plant, Gray Vase

Step 2
General Objects: Green Plant, Gray Vase
Text in the Image: N/A
Objects that specifically refer to the Proper Noun of the Real World: N/A

Step 3
triplets: [Green Plant, General Objects, is on the left of, Gray Vase, General Objects]

Step 4
(1) Node with max degree: Gray Vase. (2) Location of Gray Vase: [Center of the canvas]. (3) Location of Green Plant: [To the left of the Gray Vase].

Step 5
Bounding Boxes of the Objects:
Gray Vase, General Objects: [0.450, 0.300, 0.650, 0.700] - Positioned centrally in the canvas.
Green Plant, General Objects: [0.250, 0.300, 0.450, 0.700] - Positioned to the left of the Gray Vase.

Step 6
{"Gray Vase": {"phrase": "Gray Vase","coordinates": [0.450, 0.300, 0.650, 0.700]},
 "Green Plant": {"phrase": "Green Plant","coordinates": [0.250, 0.300, 0.450, 0.700]}}